Nominations for the 2nd Open Web Awards end Sunday night, 11:59 pm PST (2:59 am Monday EST, 7:59 am Monday GMT). Please nominate your favorite startups in the Mashable Open Web Awards.

Selection process is based on nominations and voting generated from the Web. Open Web Awards, your only guide to the most inspirational, exclusive and the most accomplished websites on the internet!

Last years winners included Facebook, Digg, Google, Meetup, Twitter, Netvibes, woot!, Last.fm and Mahalo. Use the widget below to nominate your favorites.